18379620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 47664540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 503, 522, 580, 609, 630, 812, 870, 1006, 1015, 1044, 1218, 1260, 1305, 1509, 1740, 1827, 2012, 2030, 2436, 2515, 2610, 3018, 3045, 3521, 3654, 4060, 4527, 5030, 5220, 6036, 6090, 7042, 7308, 7545, 9054, 9135, 10060, 10563, 12180, 14084, 14587, 15090, 17605, 18108, 18270, 21126, 22635, 29174, 30180, 31689, 35210, 36540, 42252, 43761, 45270, 52815, 58348, 63378, 70420, 72935, 87522, 90540, 102109, 105630, 126756, 131283, 145870, 158445, 175044, 204218, 211260, 218805, 262566, 291740, 306327, 316890, 408436, 437610, 510545, 525132, 612654, 633780, 656415, 875220, 918981, 1021090, 1225308, 1312830, 1531635, 1837962, 2042180, 2625660, 3063270, 3675924, 4594905, 6126540, 9189810, 18379620]

約数ペア:

[(1, 18379620), (2, 9189810), (3, 6126540), (4, 4594905), (5, 3675924), (6, 3063270), (7, 2625660), (9, 2042180), (10, 1837962), (12, 1531635), (14, 1312830), (15, 1225308), (18, 1021090), (20, 918981), (21, 875220), (28, 656415), (29, 633780), (30, 612654), (35, 525132), (36, 510545), (42, 437610), (45, 408436), (58, 316890), (60, 306327), (63, 291740), (70, 262566), (84, 218805), (87, 211260), (90, 204218), (105, 175044), (116, 158445), (126, 145870), (140, 131283), (145, 126756), (174, 105630), (180, 102109), (203, 90540), (210, 87522), (252, 72935), (261, 70420), (290, 63378), (315, 58348), (348, 52815), (406, 45270), (420, 43761), (435, 42252), (503, 36540), (522, 35210), (580, 31689), (609, 30180), (630, 29174), (812, 22635), (870, 21126), (1006, 18270), (1015, 18108), (1044, 17605), (1218, 15090), (1260, 14587), (1305, 14084), (1509, 12180), (1740, 10563), (1827, 10060), (2012, 9135), (2030, 9054), (2436, 7545), (2515, 7308), (2610, 7042), (3018, 6090), (3045, 6036), (3521, 5220), (3654, 5030), (4060, 4527)]